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AMD Radeon RX 6900 XT 16GB vs AMD Radeon RX 6950 XT 16GB

The Radeon RX 6900 XT and the Radeon RX 6950 XT deliver near-identical FP16 throughput (47 vs 46 TFLOPS dense).

Radeon RX 6900 XT: RDNA 2, 2020 Radeon RX 6950 XT: RDNA 2, 2022
Memory
16 vs 16 GB
Same capacity
Bandwidth
512 GB/s vs 576 GB/s
Radeon RX 6950 XT moves data faster
TDP
300 W vs 335 W
Radeon RX 6900 XT draws 35 W less
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AMD Radeon RX 6900 XT 16GB vs AMD Radeon RX 6950 XT 16GB

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AMD Radeon RX 6900 XT 16GB

Full specs →

What is the AMD Radeon RX 6900 XT?

The Radeon RX 6900 XT is a GPU from AMD on the RDNA 2 architecture, an accelerator for AI training, inference and high-performance computing. It is a PCIe add-in card, so it fits standard servers and workstations. Radeon RX 6900 XT full specifications →

Can I rent the Radeon RX 6900 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 6900 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 6900 XT compare with other accelerators?

This page sets the Radeon RX 6900 XT against the Radeon RX 6950 XT. The Radeon RX 6900 XT is the older generation of the two. Both are AMD parts, and both ship as a PCIe card, so they fit the same class of system. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the Radeon RX 6900 XT figures come from?

Every Radeon RX 6900 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

AMD Radeon RX 6950 XT 16GB

Full specs →

What is the AMD Radeon RX 6950 XT?

The Radeon RX 6950 XT is a GPU from AMD on the RDNA 2 architecture, an accelerator for AI training, inference and high-performance computing. It is a PCIe add-in card, so it fits standard servers and workstations. Radeon RX 6950 XT full specifications →

Can I rent the Radeon RX 6950 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 6950 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 6950 XT compare with other accelerators?

This page sets the Radeon RX 6950 XT against the Radeon RX 6900 XT. The Radeon RX 6950 XT is the newer generation of the two. Both are AMD parts, and both ship as a PCIe card, so they fit the same class of system. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the Radeon RX 6950 XT figures come from?

Every Radeon RX 6950 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

Specifications

Radeon RX 6900 XT
Radeon RX 6950 XT
Architecture
RDNA 2RDNA 2
Launch Year
20202022
Form Factor
PCIePCIe
Memory
16 GB16 GB
Memory Bandwidth
512 GB/s576 GB/s
TDP
300 W335 W
Process Node
7nm7nm

Performance (TFLOPS)

Radeon RX 6900 XT
Radeon RX 6950 XT
No verified data available No verified data available
23 TFLOPS 24 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
46 TFLOPS 47 TFLOPS
No verified data available No verified data available
FP6
No verified data available No verified data available
No verified data available No verified data available
No verified data available No verified data available

Figures are dense. Where a vendor publishes a figure it sits under the dense one and never decides a winner. Hover any precision for its definition, or read the GPU glossary.

FLOPS by Precision

What actually differs

The Radeon RX 6950 XT is the newer part: RDNA 2 (2022) against the Radeon RX 6900 XT's RDNA 2 (2020).

Both carry 16 GB of memory. Bandwidth is 512 GB/s against 576 GB/s, which sets the ceiling on decode speed.

Power is 300 W against 335 W, and at FP32 the Radeon RX 6900 XT does more work per watt. Weight the FP8 and FP16 rows for LLM work and the FP64 row for HPC.

New to the terms? The glossary explains FP32, FP16, Sparsity and TFLOPS.

Frequently asked questions

Is the Radeon RX 6900 XT faster than the Radeon RX 6950 XT?

They are close on paper: both deliver about 47 TFLOPS of dense FP16 throughput. Memory, bandwidth, and power are the deciding differences.

Which should you choose, the Radeon RX 6900 XT or the Radeon RX 6950 XT?

On raw FP16 throughput the Radeon RX 6900 XT and the Radeon RX 6950 XT are level, so the decision rests on memory, power and price. The Radeon RX 6900 XT draws 35 W less power, which matters in an air-cooled or power-capped rack.

Which has more memory, the Radeon RX 6900 XT or the Radeon RX 6950 XT?

Both GPUs carry 16 GB of memory. Memory bandwidth is 512 GB/s for the Radeon RX 6900 XT and 576 GB/s for the Radeon RX 6950 XT.

How much power do the Radeon RX 6900 XT and the Radeon RX 6950 XT draw?

The Radeon RX 6900 XT is rated at 300 W TDP and the Radeon RX 6950 XT at 335 W. On FP32 throughput per watt, the Radeon RX 6900 XT is the more efficient part.

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